(19)

(11)

EP 4 244 979 A2

(12)

(88) Date of publication A3: 17.11.2022 (43) Date of publication: 20.09.2023 Bulletin 2023/38 (21) Application number: 21820126.7 (22) Date of filing: 08.11.2021

(51) International Patent Classification (IPC):  H02S 20/32(2014.01) H01L 31/05(2014.01) H02S 20/10(2014.01) (52) Cooperative Patent Classification (CPC): H02S 20/10; H02S 20/32; H01L 31/0504; Y02E 10/50 (86) International application number: PCT/EP2021/080905 (87) International publication number: WO 2022/101126 (19.05.2022 Gazette 2022/20)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 13.11.2020 EP 20382980 19.02.2021 ES 202130347 U (71) Applicant: Soltec Innovations, S.L. 30500 Molina de Segura (ES)	(72) Inventor: TERUEL HERNÁNDEZ, José Alfonso 30500 Molina de Segura (ES) (74) Representative: Isern Patentes y Marcas S.L.  Avda. Diagonal, 463 Bis, 2° 08036 Barcelona 08036 Barcelona (ES)